<template>
  <view>
    <!--搜索组件-->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    
    <!--这是轮播图的区域-->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000":circular="true">
      <swiper-item v-for="(item, i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="`/subpkg/goods_detail/goods_detail?goods_id=` + item.goods_id">
          <image :src="item.item_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    
    <!--分类导航区域-->
    <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav_img"></image>
      </view>
    </view>
    
    <!--楼层区域-->
    <!--楼层的容器-->
    <view class="floor-list">
      <!--每一个楼层的item项-->
      <view class="floor-item" v-for="(item,i) in floorList" :key="i" >
        <!--楼层的标题-->
        <image :src='item.floor_title.image_src' class="floor-title"></image>
        <!--楼层的图片区域-->
        <view class="floor-img-box">
          <!--左侧大图片的盒子-->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width + 'rpx'} " mode="widthFix"></image>
          </navigator>
        <!--右侧四个小图片的盒子-->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2,i2) in item.product_list" :key="i2" :url="item2.url">
              <image :src="item2.image_src" :style="{width:item2.image_width + 'rpx'}" mode="widthFix" v-if="i2 !== 0"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        //这是轮播图的数据列表
        swiperList:[],
        //分类导航的数据列表
        navList:[],
        //楼层的数据
        floorList:[],
      }
    },
    onLoad(){
      //调用方法获取轮播图数据
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    methods:{
      async getSwiperList() {
            // 3.1 发起请求
            const { data: res } = await uni.$http.get('/api/public/v1/home/swiperdata')
            // 3.2 请求失败
            if (res.meta.status !== 200) return
            this.swiperList = res.message
            },
      async getNavList() {
            const { data: res } = await uni.$http.get('/api/public/v1/home/catitems')
            if (res.meta.status !== 200) return
            this.navList = res.message
          },
      navClickHandler(item){
        if(item.name === '分类'){
          uni.switchTab({
            url:'/pages/cate/cate'
          })
        }
      },
      //获取首页楼层数据的方法
      async getFloorList(){
        const { data: res } = await uni.$http.get('/api/public/v1/home/floordata')
        if(res.meta.status !== 200) return
        
        //对数据进行处理
        res.message.forEach(floor => {
            floor.product_list.forEach(prod => {
              prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
            })
          })
        this.floorList = res.message
      },
      gotoSearch(){
        uni.navigateTo({
          url:'/subpkg/search/search'
        })
      }
    }
  }
</script>

<style lang="scss">
swiper{
  height: 330rpx;
  .swiper-item,
  image{
    width: 100%;
    height: 100%;
    }
  }
  
  .nav-list{
    display: flex;
    justify-content: space-around;
    margin: 15px 0;
    
    .nav_img{
      width: 128rpx;
      height: 140rpx;
    }
  }
  
  .floor-title{
    width: 100%;
    height: 60rpx;
  }
  
  .right-img-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  
  .floor-img-box {
    display: flex;
    padding-left: 10rpx;
  }
  .search-box{
    position: sticky;
    top:0;
    z-index: 999;
  }
</style>
